Hubble’s deep look into the dark: How the telescope confirmed ‘Cloud-9’
When astronomers talk about the “dark universe,” they’re usually referring to things that can’t be seen directly – dark matter, which makes up most of the universe’s mass, and the earliest stages of galaxy formation. Now, astronomers using NASA’s Hubble Space Telescope have helped confirm the existence of a rare object that connects both ideas: a starless, gas-rich structure dominated by dark matter, known as Cloud-9.
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